The Dvorine color blindness test with retarded boys.
D003119:Color Perception Tests / Q000592:standards*; D003117:Color Vision Defects / Q000150:complications / Q000453:epidemiology*; D003638:Deafness / Q000150:complications; D006801:Humans; D008607:Intellectual Disability / Q000150:complications*; D008297:Male; D014481:United States